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BASIS OF PRESENTATION (Details) |  | 1 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Feb. 01, 2021 $ / shares shares | Sep. 30, 2021 subsidiary | Jun. 30, 2022 USD ($) location $ / shares | Dec. 31, 2021 USD ($) $ / shares | Jan. 01, 2021 USD ($) | Dec. 31, 2020 USD ($)
Common stock, par value (in dollars per share) | $ / shares | $ 0.01 |  | $ 0.01 | $ 0.01 |  |
Preferred stock, Series A, par value (in dollars per share) | $ / shares | $ 0.01 |  | $ 0.01 | $ 0.01 |  |
Share conversion ratio | 0.6480 |  |  |  |  |
Common stock converted into right to receive shares (in shares) | shares | 0.6480 |  |  |  |  |
Number of branch locations | location |  |  | 60 |  |  |
Number Of Real Estate Investments Dissolved | subsidiary |  | 2 |  |  |  |
Securities held-to-maturity |  |  | $ 531,870,000 | $ 177,354,000 | $ 0 |
Retained earnings |  |  | $ 705,371,000 | $ 654,726,000 |  |
Preferred Stock |  |  |  |  |  |
Share conversion ratio | 1 |  |  |  |  |
Cumulative Effect, CECL Adoption, Adjustment |  |  |  |  |  |
Collectively evaluated for impairment, allowance |  |  |  |  |  | $ (3,900,000)
Reserve for unfunded commitments |  |  |  |  |  | $ 1,400,000
Retained earnings |  |  |  |  | $ 1,700,000 |

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